CN217176652U - Steel arch frame and lock foot anchor pipe connection structure for gas tunnel - Google Patents
Steel arch frame and lock foot anchor pipe connection structure for gas tunnel Download PDFInfo
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- CN217176652U CN217176652U CN202220935365.3U CN202220935365U CN217176652U CN 217176652 U CN217176652 U CN 217176652U CN 202220935365 U CN202220935365 U CN 202220935365U CN 217176652 U CN217176652 U CN 217176652U
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Abstract
The utility model provides a steel bow member and lock foot anchor pipe connection structure for gas tunnel for the connection of H shaped steel bow member and lock foot anchor pipe, including dismantling coupling assembling, can dismantle the coupling assembling setting in H shaped steel bow member one side, can dismantle coupling assembling and include connecting plate, sleeve and couple symmetry set up in the connecting plate both sides, are fixed with the lug on the H shaped steel bow member, and couple and lug gomphosis wear to be equipped with in the sleeve and lock foot anchor pipe, and it is fixed with the sleeve that lock foot anchor pipe passes through the nut. The problem of traditional operation mode when welding H shaped steel bow member and lock foot anchor pipe, the high temperature welding slag that the welding produced can cause gas combustion or gas explosion is solved, to a great extent stop crowd death crowd injury accident that the gas tunnel explosion arouses and the oxygen deficiency causes the workman to suffocate in the tunnel after the gas combustion, and traditional technology operation is slow moreover, needs good light environment, has reduced work efficiency, and the workman is still scalded easily to the high temperature after the welding, extremely not friendly scheduling to the workman.
Description
Technical Field
The utility model relates to a geotechnical engineering technical field particularly, relates to a steel bow member and lock foot anchor union coupling structure for gas tunnel.
Background
With the continuous expansion of the quantity and scale of tunnel projects in China, more and more tunnels pass through areas containing rich gas. In order to enhance the stability of a supporting system during tunnel construction, anchor pipes (namely 1-2 anchor pipes which are driven into a rock wall at a certain angle at the arch springing) with locking feet need to be constructed at the arch springing, and the exposed parts of the anchor pipes are firmly welded with an H-shaped steel arch to prevent the arch springing from shrinking and falling off. In order to enhance the connection strength between the H-shaped steel arch frame and the lock leg anchor pipe, a connecting rib is required to be added for connecting the H-shaped steel arch frame and the lock leg anchor pipe. The traditional method is that a straight connecting rib is adopted to weld an H-shaped steel arch frame and a lock leg anchor pipe together. Because the high temperature that produces during the welding of kindling can't be avoided, therefore take place local gas combustion or explosion easily when welding H shaped steel bow member and lock foot anchor pipe, can bring very big safety risk for gas tunnel later stage construction, therefore need one kind not influence under joint strength and need not be in tunnel kindling welded connection structure.
When welding H shaped steel bow member and lock foot anchor pipe, not only the operation is slow, needs good light environment, has reduced work efficiency, and the workman is scalded still easily to the high temperature after the welding moreover, when not having the direction measure in the past, very easily bores the hole and bores askewly, influences the installation of lock foot anchor pipe. And because part of the tunnel contains gas, danger is easily caused after the tunnel is exposed to open fire, oxygen in the tunnel is consumed during welding, and the tunnel is extremely unfriendly to workers.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel bow member and lock foot anchor union coupling structure for gas tunnel, it has been solved in the past when welding H shaped steel bow member and lock foot anchor pipe, the high temperature welding slag that the welding produced can cause gas combustion or gas explosion, oxygen deficiency causes the risk that the workman suffocates in crowd's dead crowd's injury accident that to a great extent increased gas tunnel explosion arouses and the tunnel after the gas combustion, and the operation is slow, need good light environment, the work efficiency has been reduced, and the workman is scalded still easily to the high temperature after the welding, in the past when not having the guiding measure, very easily bore the hole and bore askewly, influence the installation scheduling problem of lock foot anchor pipe.
The embodiment of the utility model discloses a realize through following technical scheme: the utility model provides a steel bow member and lock foot anchor pipe connection structure for gas tunnel for the connection of H shaped steel bow member and lock foot anchor pipe, including dismantling coupling assembling, can dismantle the coupling assembling setting and be in H shaped steel bow member one side, can dismantle coupling assembling includes connecting plate, sleeve and couple symmetry set up the connecting plate both sides, be fixed with the lug on the H shaped steel bow member, the couple with the lug gomphosis, wear to be equipped with in the sleeve lock foot anchor pipe, lock foot anchor pipe pass through the nut with the sleeve is fixed.
Furthermore, the convex block and the couple are two, two the convex block sets up respectively on two siding walls that the H shaped steel bow member is parallel, the convex block is located siding tip, two the couple interval sets up on the connecting plate, two the couple respectively with two the convex block cooperation.
Furthermore, the H-shaped steel arch center left and right sides all is provided with can dismantle coupling assembling.
Furthermore, the lock further comprises a lock plate, a long lock hole is formed in the lock plate in a penetrating mode, the two lock pin anchor pipes are arranged in the long lock hole, and the lock plate is located between the screw cap and the sleeve.
Further, the sleeve is rotatably arranged on the connecting plate, a rotating shaft of the sleeve is perpendicular to the connecting plate, and an included angle formed by the sleeve rotating along the connecting plate ranges from 0 degree to 30 degrees.
Further, the width of the convex block is larger than that of the hook.
Further, the convex block is positioned on one side of the hook, which is far away from the lock plate.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
the utility model relates to a rationally, simple structure, a steel bow member and lock foot anchor pipe connection structure for gas tunnel does not need naked light welding, adopts detachable part assembly's mode, and it is not high to need the illumination, is fit for using in the tunnel construction that has gas. The problem of in the past when welding H shaped steel bow member and lock foot anchor pipe, the high temperature welding slag that the welding produced can cause gas combustion or gas explosion, to a great extent increased crowd death crowd injury accident that the gas tunnel explosion arouses and the risk that the oxygen deficiency caused workman to suffocate in the tunnel behind the gas combustion is solved, traditional welding operation is slow moreover, needs good light environment, leads to having reduced work efficiency, and the workman scheduling is scalded still easily to the high temperature after the welding is moreover is solved.
When the locking pin anchor pipe is installed at the back, the locking pin anchor pipe and the sleeve can be installed in a better matched mode through the sleeve guiding and guiding during drilling, the working efficiency and the drilling good hole rate are greatly improved, and the problems that a drilled hole is inclined to bore and the installation of the locking pin anchor pipe is influenced when no guiding measure is adopted in the prior art are avoided.
Two lock foot anchor pipes pass through the jam plate with its free end interconnect, can further fasten the free end interconnect of two lock foot anchor pipes, have further strengthened the joint strength of lock foot anchor pipe and H shaped steel bow member, have strengthened the steadiness. And the connection mode is simple and quick, and the working efficiency and the fault tolerance rate are greatly improved.
Through specific construction conditions, the angle of the sleeve and the connecting plate is adjusted, the angle of the lock pin anchor pipe embedded into rock soil is adjusted, anchoring at different positions and different angles is achieved, and actual construction requirements are met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front view of a connection structure of a steel arch frame and a lock leg anchor pipe for a gas tunnel according to the present invention;
fig. 2 is a top view of a connection structure of a steel arch frame and a lock leg anchor pipe for a gas tunnel according to the present invention;
fig. 3 is a right side view of the connection structure of the steel arch frame and the lock leg anchor pipe for the gas tunnel provided by the present invention;
fig. 4 is a schematic view of a service condition of the steel arch frame and lock foot anchor pipe connection structure for gas tunnel provided by the utility model.
Icon: 1. h shaped steel bow member, 2, lock foot anchor pipe, 3, connecting plate, 4, sleeve, 5, couple, 6, lug, 7, nut, 8, jam plate, 81, long lockhole, 9, ground.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4 show, this embodiment provides a steel bow member and lock foot anchor pipe connection structure for gas tunnel, be used for the connection of H shaped steel bow member 1 and lock foot anchor pipe 2, including dismantling coupling assembling, can dismantle the coupling assembling setting in H shaped steel bow member 1 one side, can dismantle coupling assembling includes connecting plate 3, sleeve 4 and couple 5 symmetry set up in connecting plate 3 both sides, be fixed with lug 6 on the H shaped steel bow member 1, couple 5 and lug 6 gomphosis, wear to be equipped with lock foot anchor pipe 2 in the sleeve 4, lock foot anchor pipe 2 passes through nut 7 and sleeve 4 is fixed.
The two lugs 6 and the two hooks 5 are both arranged, the two lugs 6 are respectively arranged on two parallel plate walls of the H-shaped steel arch center 1, the lugs 6 are positioned at the end parts of the plate walls, the two hooks 5 are arranged on the connecting plate 3 at intervals, and the two hooks 5 are respectively matched with the two lugs 6. The width of the projection 6 is larger than that of the hook 5. The projection 6 is located on the side of the hook 5 remote from the locking plate 8. The left and right sides of the H-shaped steel arch center 1 are provided with detachable connecting components.
As shown in fig. 1-2, when the H-shaped steel arch frame 1 and the leg-locking anchor pipe 2 are conventionally connected, usually after the leg-locking anchor pipe is connected with the rock-soil 9 of the tunnel wall, the H-shaped steel arch frame 1 and the leg-locking anchor pipe 2 are directly welded, but it is not convenient and fast enough, when the concrete implementation is carried out, two convex blocks 6 are welded on corresponding positions on the H-shaped steel arch frame 1 in advance, the convex blocks 6 can be clamped into the metal in the grooves of the hooks 5 by waste angle steel, steel plates or steel bars, etc., when the leg-locking anchor pipe 2 and the rock-soil 9 are drilled and fixed, the hooks 5 on the connecting plate 3 can be clamped with the convex blocks 6, then the drill rod passes through the sleeve 4 to drill the rock-soil 9, and the guide of the sleeve 4 can ensure that the leg-locking anchor pipe 2 and the sleeve 4 can be better installed when the leg-locking anchor pipe 2 is installed at the back, thereby greatly improving the working efficiency and the good product rate of drilling, the problems that the drilling is easy to be askew, the installation of the lock leg anchor pipe 2 is influenced and the like when no guide measure is provided in the prior art are solved.
Still solved in the past when welding H shaped steel bow member 1 and lock foot anchor pipe 2, the high temperature welding slag that the welding produced can cause gas combustion or gas explosion, and to a great extent has increased the crowd that the gas tunnel explosion arouses and has died crowd's injury accident and the oxygen deficiency in the tunnel after the gas combustion and cause the risk that the workman suffocates, and traditional welding operation is slow moreover, needs good light environment, leads to having reduced work efficiency, and the high temperature after the welding still scalds workman scheduling problem easily moreover.
Still include jam plate 8, run through on the jam plate 8 and seted up long lockhole 81, in long lockhole 81 is all arranged in to two lock foot anchor pipes 2, jam plate 8 is located between nut 7 and the sleeve 4.
As shown in fig. 1-3, in specific implementation, after the foot-locking anchor pipes 2 on both sides of the H-shaped steel arch are installed, the two foot-locking anchor pipes 2 are sleeved with the locking plate 8, that is, the two foot-locking anchor pipes 2 are all inserted into the long locking holes 81 of the locking plate 8, then the locking plate is connected with the sleeve 4 and the foot-locking anchor pipes 2 by the two nuts 7, and the two locking plates are screwed, so that the H-shaped steel arch 1 can be connected with the foot-locking anchor pipes 2 by matching the foot-locking anchor pipes 2 with the sleeve 4, the convex block 6 and the hook 5, and the H-shaped steel arch and the rock soil 9 are fixed.
Two lock foot anchor pipes 2 pass through the jam plate 8 with its free end interconnect, can further fasten the free end interconnect of two lock foot anchor pipes 2, avoid the atress too big to lead to lock foot anchor pipe 2 can not act on H shaped steel bow member 1. As shown in fig. 1-3, in specific implementation, the connection mode is simple and fast, and the working efficiency and the fault tolerance rate are greatly improved. Two lock foot anchor pipes 2 pass through the jam plate 8 with its free end interconnect, can further make the free end interconnect fastening of two lock foot anchor pipes 2, further strengthened the joint strength of lock foot anchor pipe 2 with H shaped steel bow member 1, strengthened the steadiness of whole strut.
The sleeve 4 is rotatably arranged on the connecting plate 3, the rotating shaft of the sleeve 4 is vertical to the connecting plate 3, and the included angle range of the sleeve 4 rotating along the connecting plate 3 is 0-30 degrees. As shown in fig. 4, in the concrete implementation, when the H-shaped steel arch centering of the tunnel bottom is fixed, the locking anchor pipe is usually arranged at 30 degrees downward from the slant, and then the angle between the sleeve 4 and the connecting plate 3 is adjusted through specific construction conditions, so as to adjust the angle at which the locking anchor pipe 2 is embedded into the rock soil 9, and further realize the anchoring at different positions and different angles, thereby meeting the actual construction requirements.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a steel bow member and lock foot anchor pipe connection structure for gas tunnel for the connection of H shaped steel bow member (1) and lock foot anchor pipe (2), its characterized in that: including dismantling coupling assembling, can dismantle the coupling assembling setting and be in H shaped steel bow member (1) one side, can dismantle coupling assembling includes connecting plate (3), sleeve (4) and couple (5) symmetry set up connecting plate (3) both sides, be fixed with lug (6) on H shaped steel bow member (1), couple (5) with lug (6) gomphosis, wear to be equipped with in sleeve (4) lock foot anchor pipe (2), lock foot anchor pipe (2) through nut (7) with sleeve (4) are fixed.
2. The steel arch and lock anchor pipe connecting structure for the gas tunnel according to claim 1, wherein the number of the projections (6) and the number of the hooks (5) are two, two projections (6) are respectively provided on two parallel walls of the H-shaped steel arch (1), the projections (6) are located at the ends of the walls, two hooks (5) are provided on the connecting plate (3) at intervals, and two hooks (5) are respectively engaged with two projections (6).
3. The steel arch and lockpin anchor pipe connection structure for the gas tunnel according to claim 2, wherein the detachable connection assemblies are provided on both left and right sides of the H-shaped steel arch (1).
4. The connection structure of the steel arch center and the lock leg anchor pipe for the gas tunnel according to claim 3, further comprising a lock plate (8), wherein a long lock hole (81) is formed in the lock plate (8) in a penetrating manner, the two lock leg anchor pipes (2) are arranged in the long lock hole (81), and the lock plate (8) is located between the nut (7) and the sleeve (4).
5. The steel arch center and lock anchor pipe connection structure for gas tunnel according to claim 1, wherein the sleeve (4) is rotatably disposed on the connection plate (3), the rotation axis of the sleeve (4) is perpendicular to the connection plate (3), and the included angle of the sleeve (4) rotating along the connection plate (3) is in the range of 0 ° to 30 °.
6. The steel arch and lockpin anchor pipe connection structure for gas tunnel according to claim 1, wherein the width of the projection (6) is larger than the width of the hook (5).
7. The steel arch and lock leg anchor pipe connection structure for gas tunnel according to claim 4, wherein the projection (6) is located on the side of the hook (5) away from the lock plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220935365.3U CN217176652U (en) | 2022-04-21 | 2022-04-21 | Steel arch frame and lock foot anchor pipe connection structure for gas tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220935365.3U CN217176652U (en) | 2022-04-21 | 2022-04-21 | Steel arch frame and lock foot anchor pipe connection structure for gas tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217176652U true CN217176652U (en) | 2022-08-12 |
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ID=82708402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220935365.3U Active CN217176652U (en) | 2022-04-21 | 2022-04-21 | Steel arch frame and lock foot anchor pipe connection structure for gas tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217176652U (en) |
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2022
- 2022-04-21 CN CN202220935365.3U patent/CN217176652U/en active Active
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Address after: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Communications Construction Group Co.,Ltd. Address before: 610041 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: Sichuan Communications Construction Group Co.,Ltd. |